ASME B 18.2.6 - 2019
Display drawing:
| Screw Thread | 1-1/4 | ||
| Nominal Diameter | 1-1/4 | ||
| P | 7 | ||
| Ds | Max | 1.25 | |
| Ds | Min | 1.223 | |
| S | Nominal | 2 | |
| S | Max | 2 | |
| S | Min | 1.938 | |
| E | Max | 2.309 | |
| E | Min | 2.209 | |
| K | Nominal | 27/32 | |
| K | Max | 0.813 | |
| K | Min | 0.749 | |
| R | Max | 0.09 | |
| R | Min | 0.03 | |
| BL | 2.75 | ||
| HW | Max | 0.035 | |
| HW | Min | 0.015 | |